LT205A [SHARP]
GaAs Hall IC for Fan Motor with Variable Speed by Temperature; 砷化镓霍尔IC风扇电机使用变频调速用温
| 型号： | LT205A |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | GaAs Hall IC for Fan Motor with Variable Speed by Temperature |
| 文件： | 总1页 (文件大小：24K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Hall IC
LT205A
GaAs Hall IC for Fan Motor with
Variable Speed by Temperature
(under development)
LT205A
■ Outline Dimentions
(Unit : Fmm)
■ Features
¡Space saving mounting due to combining a Hall device
and a driver IC in a small 12-pin SOP package
¡Wind control depending on calorific value
¡Low noise
Y
0.8
0.35
12
7
¡With automatic reset and alarm output function when a
motor is locked
¡Surface mount type (Taping: 1,000 pcs/reel)
205
S
■ Applications
¡Brushless fan motor
1
6
0.15
¡Cooling fan motor for personal computers,word
processors, etc.
¡Directly cooling fan for cooling fin, PCB, etc.
0.7
0.6
■ Motor drive current vs. temperature (Example)
5.0
100%
Terminal connection
1 : C+
2 : C-
3 : NC
4 : CEXT
5 : NC
6 : GND
7 : ALOUT
8 : OUT2
9 : OUT1
50%
10 : GND
11 : VCC
12 : VREG
2
25˚C(*1)
45˚C(*2)
Thermistor ambient
temperature
1
*1,*2 Set at random
As for dimensions of tape-packaged products, refer to page 44 .
■ Block diagram
Hall IC in the dotted line
V
CC
V
REG
12
11
Hall device
V
CC
REG
-
+
Regulator
Rotation
10
9
GND
2
detection
circuit
Temperature
O
UT1
1
control
circuit
C+
C-
O
UT2
8
Output time
control
2
Fan Motor
0.1µF
Lock/automatic
reset
Thermistor
4
6
7
CEXT GND1 ALOUT
■ Electrical Characteristics
(Ta
=25˚C)
Parameter
Operating supply voltage
Output current
Output saturation voltage
Output cut-off current
Symbol
Conditions
=0.5A
MIN.
8
-
-
-
TYP.
MAX.
28
(0.5)
(1.5)
30
Unit
V
A
V
CC
OUT
OUT
OC
-
-
-
-
-
-
I
V
I
V
CC=12V, I
=55V
O
V
VO
µA
mT
mT
B
1
2
-10
-
-
Operating magnetic flux density
B
10
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device spcification sheets before using any SHARP device.
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